| 摘要 |
PROBLEM TO BE SOLVED: To provide a bottom assembly making the bottom hardly fall out even if the bottom face of a carton is warped. SOLUTION: In the bottom assembly lock for a corrugated carton, a bottom receiving board 3 is extended from one side wall 1, a bottom inserting board 4 is extended from the other side wall 1, bottom end boards 5 are extended from each end walls 2 of a pair of side walls 1 and end walls 2, both the bottom end boards 5 are placed on the bottom receiving board 3, and a tongue piece 6 provided at the tip of the bottom inserting board 4 is pressed in and engaged with the bottom receiving board 3. In the bottom assembly lock, an insertion piece 7 is formed by cutting one side edge of the bottom end board 5, a slit 9 is provided in the bottom receiving board 3, and insertion piece 7 is inserted in the slit 9 and the carton is turned reversely, and the insertion piece 7 is prevented from slipping off by the load of a stored article.
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